Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field

EB Al, E Kasapoglu, H Sari, I Sökmen - Physica B: Condensed Matter, 2021 - Elsevier
In this study, the binding energies of an on-center and off-center hydrogenic donor impurity
in a spherical quantum dot with finite confinement potential under an applied external …

Analyzing role of relaxation time on second harmonic generation and optical dielectric function of impurity doped quantum dots under the aegis of noise

SM Arif, A Bera, A Ghosh, M Ghosh - Physica B: Condensed Matter, 2020 - Elsevier
Present study monitors the influence of relaxation time (τ) on second harmonic generation
(SHG) and total optical dielectric function (TODF) of impurity containing quantum dot (QD) …

Nonlinear optical properties in a hybrid system composed of metal nanoparticles and Morse quantum wells

S Mo, K Guo, G Liu, J Lao - Physica B: Condensed Matter, 2022 - Elsevier
We investigate linear and nonlinear optical absorption coefficients (OACs) and refractive
index changes (RICs) of a Morse quantum well when a quantum-sized metal nanoparticle is …

Tailoring second-order nonlinear optical effects in coupled quantum dot-metallic nanosphere structures using the Purcell effect

S Evangelou - Microelectronic Engineering, 2019 - Elsevier
We study the modification of second-order nonlinear optical processes, like nonlinear optical
rectification and second-harmonic generation, of a quantum dot that is coupled to a metallic …

Efficient two-dimensional Fraunhofer diffraction pattern via electron spin coherence

H Meddour, S Askar, S Dehraj, F Al-dolaimy… - Laser …, 2023 - iopscience.iop.org
In this letter, we have discussed the two-dimensional diffraction pattern via electron spin
coherence in a GaAs quantum dot. Impulsive stimulated Raman excitation utilizing coherent …

Control of Kerr nonlinearity in a four-level quantum system near a plasmonic nanostructure

HR Hamedi, V Yannopapas, A Mekys… - Physica E: Low …, 2021 - Elsevier
We investigate the nonlinear optical response of a four-level double-V-type quantum system
interacting with a pair of weak probe fields while located near a two-dimensional array of …

[HTML][HTML] Optical Susceptibility of Hybrid Semiconductor Quantum Dot-Metallic Nano Ellipsoid System Under the Effect of the Exciton-Plasmon Coupling Field …

AM Abd-Elsamie, S Abd-Elnabi - Plasmonics, 2024 - Springer
We examine the optical susceptibility of the semiconductor quantum dot-metallic nano
ellipsoid system under the effect of the exciton-plasmon coupling field. Also, we determine …

[HTML][HTML] Optical Absorption Coefficient and Refractive-Index Change in a Coupled Quantum Dot-Metallic Nanoparticle Structure

S Evangelou - Photonics, 2023 - mdpi.com
In the present work, we investigate the problem of the optical absorption coefficient (OAC)
and refractive-index change (RIC) in a semiconductor quantum dot placed in the vicinity of a …

Pump-probe optical response of a semiconductor quantum dot-metallic nanosphere hybrid system

EÖ Karabulut, İ Karabulut - The European Physical Journal Plus, 2022 - Springer
We present the numerical results for the optical response of a hybrid asymmetric quantum
dot-metal nanoparticle system driven by a strong optical field in the resonant case. We …

[HTML][HTML] Plasmon enhanced optical Kerr susceptibility of quantum dots

G Liu, Y Chen, G Chen, Z Chen, L Lu, K Guo, R Liu - Results in Physics, 2020 - Elsevier
A significant gain in optical Kerr susceptibility of semiconductor quantum systems is of great
importance for enabling nonlinear optical devices for the applications such as optical …